Stock material or miscellaneous articles – Composite – Of polyester
Patent
1981-07-17
1982-12-07
Hamrock, William F.
Stock material or miscellaneous articles
Composite
Of polyester
428411, 428483, 428517, 428521, 428523, B32B 2706, B32B 2736
Patent
active
043627854
ABSTRACT:
Polymers containing recurring 2,5-oxolanylene units wherein at least 60 percent of the units are joined directly to one another so as to provide segments consisting of at least 6 of said units.
REFERENCES:
patent: 2660563 (1953-08-01), Banes et al.
patent: 2927100 (1960-03-01), Cantevino et al.
patent: 3336253 (1967-08-01), Wong et al.
patent: 3661874 (1972-05-01), Olson
Katritzky Alan R.
Schultz William J.
Alexander Cruzan
Hamrock William F.
Lilly James V.
Minnesota Mining and Manufacturing Co.
Sell Donald M.
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